Question

ajudinha,agradeço!!!​

Answer 1

a)(-5)³+3⁴ = -125+81 = -44

b)(-3)³-(-3)²-(-3) = -3³+3²+3 = 27+9+3 = 36+3 = 39

c)2×(-5)²-(-7)² = 2×25+7² = 2×25+49 = 50+49 = 99

d)(-4)²-5² = 16-25 = -9

e)3×(-4)²+(-5)×(+6) = 3×(-4)²-5×6 = 3×16-5×6 = 48-30 = 18

f)5⁰+8÷(-2)³-6×(-1)⁵ = 1+8÷(-8)-6×(-1) = 1-1+6 = 0+6 = 6